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BRIGGS ENGINEERING Copyright- BEI 2018 PO BOX 140537, Garden City, ID 83714 <br /> MODULAR BUILDING PAD&PIER FOUNDATION DESIGN-FOUNDATION CALCULATIONS IBC-2015 <br /> CLIENT Pacific Mobile Dealers: Pacific Mobile Structures Criteria 25psf-RLL,40psf-FLL,110mph, Exp <br /> Structures C, Cat-D, Ss=1.5, Fp=1500 psf <br /> Date: 1-Apr-18 PO# E18074 Location: KCDA Standards <br /> Project#: 201801 #01.3.01-1 28x32 MODULAR FDN-Classroom State(s): ID-OR-WA West of <br /> w/(2) Floor Joist Spans/Module Cascades <br /> E. Lateral Design <br /> 1. Longitudinal Walls(Front&Back, Long Walls) <br /> Unit Wind Load, UWL=(Wht+Rht+Fht/2)*Wp*L= 8026 lbs Governs <br /> Unit Seismic Load,USL=W*pst= 6227 lbs <br /> Building Weight= 17920 lbs <br /> % Building Weight Used for Lateral Sliding 0% <br /> Transverse Foundation Friction Factor= 0.40 <br /> Gravity Resistance, GR= Building WT* Friction Factor= 0 lbs. <br /> OTM=Lateral Load*wht/2+Uplift 53711 Ft-lbs <br /> RM=0.9*Building Wt*W/2 225792 Ft-lbs <br /> Factor of Safety= RM/OTM 4 No Uplift Anchors Required <br /> Use: (2)Anchors, Min. <br /> 2. Lateral Walls(End,Short Walls) - <br /> Unit Wind Load, UWL=(Wht+Rht/2+Fht/2)*Wp= 6129 lbs <br /> Unit Seismic Lateral Load, USLL=L*pst= 6227 lbs Governs <br /> % Building Weight Used for Longitudinal Sliding 0% <br /> Longitudinal Foundation Friction Factor= 0.40 <br /> Gravity Resistance, GR= Building WT* Friction Factor= 0 lbs. <br /> OTM=Lateral Load*wht/2+Uplift 45616 Ft-lbs <br /> RM=0.9*Building Wt*W/2 258048 Ft-lbs <br /> Factor of Safety= RM/OTM 6 No Uplift Anchors Required <br /> Use: (2)Anchors, Min. <br /> 201801.01.3-1,FDN-Calcs 01-28x32-KCDA-W 4/4 <br />